:root {
            /* ===== 新配色：紫罗兰+玫红暖色调 ===== */
            --color-primary: #7c3aed;
            --color-primary-deep: #5b21b6;
            --color-primary-light: #a78bfa;
            --color-accent: #c026d3;
            --color-accent-warm: #e11d48;
            --color-surface: #fefcfb;
            --color-surface-alt: #faf7f5;
            --color-card: #ffffff;
            --color-text: #1e1b1c;
            --color-text-muted: #6b5e62;
            --color-text-light: #8c7a7e;
            --color-border: #e8dfdc;
            --color-border-hover: #d4c5c0;
            --color-shadow: rgba(91, 33, 182, 0.08);
            --color-shadow-hover: rgba(124, 58, 237, 0.16);
            --color-footer-bg: #1a1416;
            --color-footer-text: #c4b5b9;
            --color-tag-bg: #f5f0ee;
            --gradient-hero: linear-gradient(135deg, #5b21b6 0%, #7c3aed 30%, #c026d3 65%, #e11d48 100%);
            --gradient-btn: linear-gradient(135deg, #7c3aed, #c026d3);
            --gradient-btn-hover: linear-gradient(135deg, #6d28d9, #a21caf);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-full: 50px;
            --transition: 0.22s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background: var(--color-surface);
            color: var(--color-text);
            line-height: 1.55;
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 头部导航 ===== */
        .header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: 0 1px 4px var(--color-shadow);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--color-border);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 0;
            gap: 14px;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: 750;
            background: var(--gradient-hero);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.02em;
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            gap: 22px;
            align-items: center;
            flex-wrap: wrap;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            font-weight: 520;
            color: #3d3438;
            transition: color var(--transition);
            font-size: 0.93rem;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
        }

        .nav-links .btn-outline {
            border: 1.5px solid var(--color-border);
            padding: 7px 18px;
            border-radius: var(--radius-full);
            background: var(--color-card);
            font-weight: 520;
            transition: all var(--transition);
        }
        .nav-links .btn-outline::after {
            display: none;
        }
        .nav-links .btn-outline:hover {
            background: #faf7f5;
            border-color: var(--color-primary-light);
            color: var(--color-primary-deep);
        }

        /* ===== Hero 区域 ===== */
        .hero {
            padding: 64px 0 44px;
            background: linear-gradient(165deg, #fefcfb 0%, #faf6f4 40%, #f5eeeb 100%);
            position: relative;
            overflow: hidden;
        }
        /* 装饰光晕 */
        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(192, 38, 211, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.09) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }

        .hero-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: #f5f0ee;
            color: var(--color-primary-deep);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            border: 1px solid var(--color-border);
        }

        .hero-title {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            line-height: 1.18;
            background: var(--gradient-hero);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 14px;
            letter-spacing: -0.03em;
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 22px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 下载按钮 */
        .btn-cta-download-hero {
            display: inline-block;
            background: var(--gradient-btn);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            text-decoration: none;
            margin-bottom: 26px;
            box-shadow: 0 10px 22px -8px rgba(124, 58, 237, 0.38);
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .btn-cta-download-hero:hover {
            background: var(--gradient-btn-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 28px -10px rgba(124, 58, 237, 0.48);
        }
        .btn-cta-download-hero:active {
            transform: translateY(0);
            box-shadow: 0 6px 14px -6px rgba(124, 58, 237, 0.35);
        }

        /* 搜索框 */
        .search-box {
            display: flex;
            align-items: center;
            max-width: 520px;
            margin: 0 auto 10px;
            background: var(--color-card);
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-full);
            box-shadow: 0 6px 18px -6px var(--color-shadow);
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .search-box:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 8px 24px -6px var(--color-shadow-hover);
        }
        .search-icon {
            font-size: 1.15rem;
            padding: 0 0 0 18px;
            color: #b0a0a5;
            flex-shrink: 0;
        }
        .search-input {
            width: 100%;
            padding: 13px 10px 13px 8px;
            border: none;
            outline: none;
            font-size: 0.98rem;
            background: transparent;
            color: var(--color-text);
        }
        .search-input::placeholder {
            color: #b0a0a5;
            font-weight: 400;
        }
        .search-btn {
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 11px 18px;
            font-size: 1.15rem;
            cursor: pointer;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .search-btn:hover {
            background: var(--color-primary-deep);
        }

        .search-hints {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 7px;
            margin-top: 6px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .hint-tag {
            background: var(--color-tag-bg);
            border: 1px solid var(--color-border);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            color: #4a3d42;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .hint-tag:hover {
            background: #ede4f7;
            border-color: var(--color-primary-light);
            color: var(--color-primary-deep);
        }

        /* ===== 导航卡片枢纽 ===== */
        .nav-hub {
            padding: 56px 0 44px;
            background: var(--color-card);
        }
        .section-eyebrow {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 720;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .section-sub {
            text-align: center;
            color: var(--color-text-muted);
            margin-bottom: 34px;
            font-size: 1rem;
        }
        .hub-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .hub-card {
            background: var(--color-surface-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 14px;
            text-align: center;
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 7px;
            position: relative;
        }
        .hub-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
            box-shadow: 0 10px 18px -8px var(--color-shadow-hover);
            background: #fff;
        }
        .hub-emoji {
            font-size: 1.9rem;
            margin-bottom: 2px;
        }
        .hub-label {
            font-weight: 700;
            font-size: 1.05rem;
            color: #2d1f24;
        }
        .hub-desc {
            font-size: 0.8rem;
            color: var(--color-text-light);
            line-height: 1.3;
        }
        .hub-arrow {
            margin-top: 6px;
            font-size: 1.1rem;
            color: var(--color-primary);
            transition: transform 0.2s;
        }
        .hub-card:hover .hub-arrow {
            transform: translateX(4px);
        }

        /* 卡片顶部色条 */
        .card-download {
            border-top: 3px solid #7c3aed;
        }
        .card-guide {
            border-top: 3px solid #c026d3;
        }
        .card-node {
            border-top: 3px solid #0891b2;
        }
        .card-compare {
            border-top: 3px solid #e11d48;
        }
        .card-rules {
            border-top: 3px solid #16a34a;
        }
        .card-faq {
            border-top: 3px solid #d946ef;
        }
        .card-home {
            border-top: 3px solid #8c7a7e;
        }

        /* ===== 3分钟快速路径 ===== */
        .quick-path {
            padding: 52px 0;
            background: var(--color-surface-alt);
        }
        .path-track {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }
        .path-step {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 18px 14px;
            text-align: center;
            min-width: 130px;
            flex: 1 1 130px;
            box-shadow: 0 2px 8px var(--color-shadow);
            border: 1px solid var(--color-border);
            transition: transform 0.2s;
        }
        .path-step:hover {
            transform: translateY(-2px);
        }
        .step-num {
            display: block;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 5px;
        }
        .step-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            margin-bottom: 3px;
        }
        .step-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }
        .step-link {
            font-size: 0.82rem;
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 600;
        }
        .step-link:hover {
            text-decoration: underline;
        }
        .path-connector {
            font-size: 1.4rem;
            color: #d4c5c0;
            flex-shrink: 0;
            display: none;
        }
        @media (min-width: 640px) {
            .path-connector {
                display: block;
            }
        }

        /* ===== Clash Meta 简介 ===== */
        .intro-section {
            padding: 56px 0;
            background: #fff;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .intro-text h2 {
            text-align: left;
            margin-bottom: 14px;
            font-size: 1.7rem;
            font-weight: 720;
        }
        .intro-desc {
            font-size: 1rem;
            color: #3d3438;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .intro-feats {
            list-style: none;
            margin-bottom: 18px;
        }
        .intro-feats li {
            margin-bottom: 9px;
            color: #2d1f24;
            font-weight: 520;
            padding-left: 20px;
            position: relative;
        }
        .intro-feats li::before {
            content: '◆';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-size: 0.7rem;
            top: 4px;
        }
        .intro-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .intro-dummy-box {
            width: 190px;
            height: 170px;
            background: linear-gradient(145deg, #faf7f5, #f0e8e5);
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 1.5px dashed #d4c5c0;
        }
        .intro-emoji {
            font-size: 2.8rem;
        }
        .intro-platform {
            font-weight: 600;
            color: #5c4a50;
        }

        /* ===== 客户端生态 ===== */
        .eco-section {
            padding: 56px 0;
            background: #fff;
            border-top: 1px solid var(--color-surface-alt);
        }
        .eco-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: flex-start;
        }
        .eco-panel {
            background: var(--color-surface-alt);
            border-radius: var(--radius-lg);
            padding: 26px;
            border: 1px solid var(--color-border);
        }
        .eco-list {
            list-style: none;
            margin: 18px 0;
        }
        .eco-item {
            padding: 13px 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .eco-item:last-child {
            border-bottom: none;
        }
        .eco-item strong {
            font-size: 0.98rem;
            display: inline-block;
            margin-right: 6px;
        }
        .eco-tag {
            display: inline-block;
            background: #ede4f7;
            color: #5b21b6;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 12px;
            text-transform: uppercase;
            vertical-align: middle;
            margin-left: 5px;
            letter-spacing: 0.03em;
        }
        .eco-tag-mac {
            background: #fce7f3;
            color: #9d174d;
        }
        .eco-tag-win {
            background: #e0e7ff;
            color: #3730a3;
        }
        .eco-tag-ios {
            background: #f1f5f9;
            color: #334155;
        }
        .eco-item p {
            margin-top: 5px;
            color: #5c4a50;
            font-size: 0.85rem;
        }
        .eco-highlight {
            background: rgba(124, 58, 237, 0.04);
            padding: 13px 15px;
            border-radius: 14px;
            border-bottom: none;
            margin-bottom: 4px;
        }
        .eco-more {
            display: inline-block;
            margin-top: 14px;
            color: var(--color-primary);
            font-weight: 600;
            text-decoration: none;
            font-size: 0.88rem;
        }
        .eco-more:hover {
            text-decoration: underline;
        }

        /* 新手推荐 */
        .newbie-card {
            background: #fff;
            border-radius: 14px;
            padding: 16px 14px;
            margin-top: 14px;
            border: 1px solid var(--color-border);
        }
        .newbie-badge {
            display: inline-block;
            background: #dcfce7;
            color: #166534;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 7px;
        }
        .newbie-badge-mac {
            background: #fee2e2;
            color: #991b1b;
        }
        .newbie-title {
            font-weight: 620;
            font-size: 0.95rem;
            margin-bottom: 3px;
        }
        .newbie-reason {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ===== 推荐阅读 ===== */
        .reading-section {
            padding: 56px 0;
            background: var(--color-surface-alt);
        }
        .reading-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
            gap: 18px;
            margin-top: 30px;
        }
        .reading-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
            gap: 7px;
            transition: all var(--transition);
        }
        .reading-card:hover {
            border-color: var(--color-primary-light);
            box-shadow: 0 8px 18px -6px var(--color-shadow-hover);
            transform: translateY(-2px);
        }
        .reading-icon {
            font-size: 1.7rem;
        }
        .reading-title {
            font-weight: 700;
            font-size: 1rem;
        }
        .reading-hint {
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            padding: 52px 0;
            background: var(--color-footer-bg);
            color: #e0d6d9;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
        .cta-faq-preview h2 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 10px;
        }
        .faq-mini-list {
            list-style: none;
            margin: 18px 0;
        }
        .faq-mini-list li {
            margin-bottom: 10px;
        }
        .faq-mini-list a {
            color: #c4b5b9;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .faq-mini-list a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .faq-all {
            display: inline-block;
            color: var(--color-primary-light);
            font-weight: 600;
            text-decoration: none;
            margin-top: 4px;
        }
        .cta-download-zone {
            background: #23191c;
            border-radius: var(--radius-lg);
            padding: 30px;
            text-align: center;
            border: 1px solid #3d3034;
        }
        .cta-shout {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 7px;
        }
        .cta-desc {
            color: #c4b5b9;
            margin-bottom: 22px;
            font-size: 0.95rem;
        }
        .btn-cta-download {
            display: inline-block;
            background: var(--gradient-btn);
            color: #fff;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            text-decoration: none;
            font-size: 1.05rem;
            transition: all 0.25s ease;
            box-shadow: 0 8px 18px -6px rgba(124, 58, 237, 0.45);
        }
        .btn-cta-download:hover {
            background: var(--gradient-btn-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px -8px rgba(124, 58, 237, 0.55);
        }
        .cta-note {
            margin-top: 12px;
            font-size: 0.76rem;
            color: #7a6a6f;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #120e10;
            color: #c4b5b9;
            padding: 50px 0 28px;
            font-size: 0.85rem;
            border-top: 1px solid #2a1f23;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 34px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 14px;
            font-weight: 620;
            font-size: 0.9rem;
        }
        .footer-col a {
            display: block;
            color: #9c8a8f;
            text-decoration: none;
            margin-bottom: 9px;
            transition: color var(--transition);
            font-size: 0.82rem;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            border-top: 1px solid #2a1f23;
            color: #7a6a6f;
            font-size: 0.76rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .navbar {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                justify-content: flex-start;
                gap: 16px;
                width: 100%;
                flex-wrap: wrap;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .intro-grid,
            .eco-grid,
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .hub-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .path-track {
                flex-direction: column;
                align-items: stretch;
            }
            .path-connector {
                display: none;
            }
            .section-eyebrow {
                font-size: 1.4rem;
            }
            .intro-dummy-box {
                width: 150px;
                height: 140px;
            }
        }

        @media (max-width: 400px) {
            .hub-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hub-card {
                padding: 16px 10px;
            }
            .hub-label {
                font-size: 0.9rem;
            }
            .nav-links {
                gap: 10px;
            }
            .nav-links a {
                font-size: 0.8rem;
            }
        }